public SpanChunk create(final List<SpanEvent> flushData) {
if (flushData == null) {
throw new NullPointerException("flushData must not be null");
}
// TODO must be equals to or greater than 1
final int size = flushData.size();
if (size < 1) {
throw new IllegalArgumentException("flushData.size() < 1 size:" + size);
}
final SpanEvent first = flushData.get(0);
if (first == null) {
throw new IllegalStateException("first SpanEvent is null");
}
final Span parentSpan = first.getSpan();
final String agentId = this.agentInformation.getAgentId();
final SpanChunk spanChunk = new SpanChunk(flushData);
spanChunk.setAgentId(agentId);
spanChunk.setApplicationName(this.agentInformation.getApplicationName());
spanChunk.setAgentStartTime(this.agentInformation.getStartTime());
spanChunk.setServiceType(parentSpan.getServiceType());
final byte[] transactionId = parentSpan.getTransactionId();
spanChunk.setTransactionId(transactionId);
spanChunk.setSpanId(parentSpan.getSpanId());
spanChunk.setEndPoint(parentSpan.getEndPoint());
return spanChunk;
}
